1 Tuloksia löytyi "Tiedosto:Huygens_first_pendulum_clock_-_front_view.png".

Tiedosto:Huygens first pendulum clock - front view.png

DescriptionHuygens first pendulum clock - front view.png English: Drawing of the first pendulum clock, designed by Dutch scientist Christiaan Huygens in 1657...

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